High Quality Material The 12V 13 pin socket is made of high quality plastic and brass, making it sturdy and durable. The plastic housing protects against rust or corrosion and provides a long service life. IP44 Waterproof Connector excellent rubber sealing ring, cover with spring hinge protects the contacts well 13 pin plug when there is no trailer connection for a perfect seal. Power supply to trailers, bicycles, campers or cargo cars, etc., in all weather conditions. Easy to Install European type trailer socket, the socket is connected inside by a screw, easy installation. After inserting the adapter into the 13-pin socket, it is necessary to rotate 90 clockwise (1/4 turn clockwise) to complete the connection and secure it. Easy to remove for replacement and does not require the use of additional tools. Safety Protection the traction power socket synchronizes the tail light signals between the main vehicle and the additional trailer for better protection of your driving. Connectivity for LED, brake lights, brake lights and fog lights to power your caravan, trailer and truck.